<?php

namespace app\util;

class Tool
{
    public function timediff($begin_time,$end_time)
    {
        if($begin_time < $end_time){
            //现在时间  活动时间还没到
            $starttime = $begin_time;
            $endtime = $end_time;
        }else{
            //b > e 说明 活动已经结束了

            $res = array("day" => 0,"hour" => 0,"min" => 0,"sec" => 0);
            return $res;
        }
        //计算天数
        $timediff = $endtime-$starttime;
        $days = intval($timediff/86400);
        //计算小时数
        $remain = $timediff%86400;
        $hours = intval($remain/3600);
        //计算分钟数
        $remain = $remain%3600;
        $mins = intval($remain/60);
        //计算秒数
        $secs = $remain%60;
        $res = array("day" => $days,"hour" => $hours,"min" => $mins,"sec" => $secs);
        return $res;
    }
}